SARA / Free Tools / CVE / CVE-2018-8414

CVE-2018-8414 — Microsoft Windows Shell Remote Code Execution Vulnerability

A remote code execution vulnerability exists when the Windows Shell does not properly validate file paths, aka "Windows Shell Remote Code Execution Vulnerability." This affects Windows 10 Servers, Windows 10.

CVSS

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EPSS

87.93% (top 0.50%)

CWE

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Published

2018-08-15T17:00:00.000Z

Last modified

2025-10-21T23:45:48.521Z

CVSS vector

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CISA KEV — Actively Exploited

Added to KEV

2022-03-25

BOD 22-01 due

2022-04-15

Ransomware use

Unknown

View KEV detail

CVE-2018-8414 on CISA KEV →

01What is this vulnerability?

02Affected products

Vendor	Product	Versions
Microsoft	Windows 10 Servers	version 1709 (Server Core Installation), version 1803 (Server Core Installation)
Microsoft	Windows 10	Version 1703 for 32-bit Systems, Version 1703 for x64-based Systems, Version 1709 for 32-bit Systems, Version 1709 for x64-based Systems, Version 1803 for 32-bit Systems, Version 1803 for x64-based Systems

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-03-25. Ransomware use: Unknown.

04Recommended remediation

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

Published: 2018-08-15T17:00:00.000Z
Last modified: 2025-10-21T23:45:48.521Z
Added to CISA KEV: 2022-03-25
BOD 22-01 due: 2022-04-15

09References

portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8414
www.securityfocus.com — http://www.securityfocus.com/bid/105016
www.securitytracker.com — http://www.securitytracker.com/id/1041458

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